Mr. Pratthana Leelapanang is CEO of Advanced Info Service Plc. AIS is the leading mobile operator in Thailand and has a growing share of Thailand’s high-speed fixed broadband sector with its recent acquisition of 3BB. Mr. Leelapanang has been with Advanced Info Service Plc. for 23 years. He worked as an engineer for 6 years (1996- 2002) and was responsible for planning GSM and NMT switching network infrastructure and value-added network infrastructure. 

In 2003, he moved on to a new role as the Wireless Service Planning & Development Manager. He was then promoted to Vice President Value Added Service Business and the Senior Vice President Digital Product & Service in 2008 and 2012, respectively. A year later, he was appointed as the Executive Vice President, Marketing. He served as the Acting Chief Marketing Officer from 2016 to 2017 when he took on the role of Chief Consumer Business Officer until 2025.